- 1. This paper presents a brief report of a study on the production technology of a new type of orthochromatic medical X -ray film.
- 本文扼要报导了一种新型的感绿医用X射线胶片的研制工作。
来自互联网
- 2. This paper presents a brief report of a study on the production technology of a new type of orthochromatic medical X -ray film.
- 本文扼要报导了一种新型的感绿医用X射线胶片的研制工作。
来自互联网
